WHOA. If this is true, that takes guts!

UPDATE: Jaimee Grubbs tells Us Weekly, “Elin has never called me as far as I know. I did get a call from an unknown number last Tuesday (the same day as Tiger left me a message), but I never picked up.”

According to TMZ, Elin Nordegren called her husband’s alleged mistress, Jaimee Grubbs, and unleashed a flood of fury without identifying herself.

On Fri , Nov 27 – the day of his crash, which occurred at 2:25 am – Tiger’s wife reportedly called 24-year-old Jaimee and, well, she wasn’t too happy.

“You know who this is because you’re f**king my husband,” Elin, 29, allegedly railed at the former Tool Academy star.

But the call wasn’t completely unexpected.

Jaimee, a cocktail waitress at the Stone Rose Lounge in West Hollywood, had been boasting earlier that day on Nov. 27 about her relationship with he warned her, his wife might call.